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1. If the standard length of an arc is 30m, what will be the radius of an 1 carne -

  • A. 1719 m
  • B. 1719 m
  • C. 1719 m
  • D. 1719 m

Answer: Option A

Explanation:

3+7+x=18

x=8

average=3+7+8/3=6

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